Issued by Rand Show 12 Feb 2024
Derek E. Lee 3 Nov 2023
John Yeld 3 Aug 2023
Martijn Aslander 29 Mar 2023
Issued by University of Pretoria 29 Nov 2022
Craig Lebrau, Issued by Lebrau Press 14 Nov 2022
Wendell Roelf 17 Aug 2022
Patrick McInerney, Christoph Malan, Catharine Atkins and Malika Walele 9 Oct 2020
Michael Obersteiner, David Leclère, Piero Visconti 15 Sep 2020